A test with the command below gives this error: arch/arm/boot/dts/rk3288-firefly-reload.dt.yaml: saradc@ff100000: 'vref-supply' is a required property PMIC Channel OUT11 with powername 'vcc_18' (connected through R155 bridge with 'vccio_wl') is used for the recovery key and ADC_AVDD_1V8. Fix error by adding 'vcc_18' as vref for the saradc. make ARCH=arm dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/iio/adc/ rockchip-saradc.yaml Signed-off-by: Johan Jonker <jbx6244@xxxxxxxxx> --- Schematic: http://www.t-firefly.com/download/Firefly-RK3288-Reload/hardware/MainBoard/ Schematic/FIREFLY-RK3288_RELOAD_V10_Schematic.pdf --- arch/arm/boot/dts/rk3288-firefly-reload.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/rk3288-firefly-reload.dts b/arch/arm/boot/dts/rk3288-firefly-reload.dts index 1574383fd..8c38bda21 100644 --- a/arch/arm/boot/dts/rk3288-firefly-reload.dts +++ b/arch/arm/boot/dts/rk3288-firefly-reload.dts @@ -234,6 +234,7 @@ }; &saradc { + vref-supply = <&vcc_18>; status = "okay"; }; -- 2.11.0
